NZ194896A - Light curtain guard for a machine tool with failsafe features - Google Patents

Light curtain guard for a machine tool with failsafe features

Info

Publication number
NZ194896A
NZ194896A NZ194896A NZ19489680A NZ194896A NZ 194896 A NZ194896 A NZ 194896A NZ 194896 A NZ194896 A NZ 194896A NZ 19489680 A NZ19489680 A NZ 19489680A NZ 194896 A NZ194896 A NZ 194896A
Authority
NZ
New Zealand
Prior art keywords
detection
radiant energy
receivers
signal
detection space
Prior art date
Application number
NZ194896A
Other languages
English (en)
Inventor
A D Denton
Original Assignee
Ambler K G
Raeder W
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ambler K G, Raeder W filed Critical Ambler K G
Publication of NZ194896A publication Critical patent/NZ194896A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/147—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using electro-magnetic technology, e.g. tags or radar
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/144—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using light grids

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Emergency Alarm Devices (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Jib Cranes (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Materials For Medical Uses (AREA)
  • Centrifugal Separators (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
NZ194896A 1979-09-10 1980-09-09 Light curtain guard for a machine tool with failsafe features NZ194896A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPE042379 1979-09-10

Publications (1)

Publication Number Publication Date
NZ194896A true NZ194896A (en) 1984-10-19

Family

ID=3768259

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ194896A NZ194896A (en) 1979-09-10 1980-09-09 Light curtain guard for a machine tool with failsafe features

Country Status (8)

Country Link
EP (1) EP0035522B1 (de)
AT (1) ATE23920T1 (de)
BR (1) BR8008822A (de)
DE (1) DE3071844D1 (de)
ES (1) ES8201716A1 (de)
NZ (1) NZ194896A (de)
PH (1) PH21969A (de)
WO (1) WO1981000750A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177503A (en) * 1985-06-12 1987-01-21 John Peter Hughes Guard system
DE3601516A1 (de) * 1986-01-20 1987-07-23 Agie Ag Ind Elektronik Lichtschranke
DE3840493C1 (de) * 1988-12-01 1990-01-25 Werac Elektronik Gmbh, 6729 Woerth, De
US6243011B1 (en) * 1997-04-23 2001-06-05 Sick Ag Optoelectric safety system for a folding press
AT412071B (de) * 2001-08-17 2004-09-27 Trumpf Maschinen Austria Gmbh Fertigungseinrichtung, insbesondere abkantpresse, und verfahren zum betrieb einer fertigungseinrichtung
DE102019007884A1 (de) * 2019-11-13 2021-05-20 EVOBEND GmbH Biegemaschine und Verfahren zum Bearbeiten eines Werkstücks mit einer Biegemaschine
EP4059678B1 (de) * 2021-03-17 2023-06-07 Krug & Priester GmbH & Co. KG Verfahren und schneidemaschine mit sicherheitsüberwachtem reversieren der gefahrbringenden schneidemesserbewegung im gefahrenfall

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB717399A (en) * 1952-10-09 1954-10-27 Gen Electric Co Ltd Improvements in or relating to photo-electric machine guards
DE964373C (de) * 1953-08-18 1957-05-23 Gernot Dennukat Schutzanlage fuer Pressen, Stanzen u. dgl.
FR1494065A (fr) * 1965-05-10 1967-09-08 Const De Vaux Andigny Atel Détecteur-amplificateur pour signaux de faible niveau et dispositifs en comportant application
DE2007840C3 (de) * 1970-02-20 1979-11-15 Endl, Alfons, 8000 Muenchen Lichtschrankengitter
US3704396A (en) * 1971-05-12 1972-11-28 Cincinnati Inc Safety device for machines
US3723737A (en) * 1971-05-18 1973-03-27 North American Rockwell Infrared detection and control device
US3746863A (en) * 1972-03-15 1973-07-17 Exotron Ind Ltd Light curtain control for a switch
DE2247053C3 (de) * 1972-09-26 1979-08-09 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Lichtschrankengitter
US3886413A (en) * 1973-01-29 1975-05-27 Xenex Corp Presence sensing and self-checking control system
SE372085B (de) * 1973-02-27 1974-12-09 L Svensson
US3805061A (en) * 1973-04-23 1974-04-16 Tyco Laboratories Inc Object detecting apparatus
DE2329938C3 (de) * 1973-06-13 1981-02-19 Rheometron Ag, Basel (Schweiz) Lichtgitter
US3889118A (en) * 1973-06-14 1975-06-10 Rockwell International Corp Electronic presence sensing device
GB1482567A (en) * 1973-10-29 1977-08-10 Xenex Corp Presence detecting system with self-checking
DE2425466C2 (de) * 1974-05-27 1985-05-30 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Einrichtung zur Überwachung von Räumen durch optisch-elektronische Meßmittel
FR2283494A2 (fr) * 1974-09-02 1976-03-26 Cometa Procede et dispositif de balayage photoelectrique
AU509999B2 (en) * 1976-07-08 1980-06-05 3M Australia Pty Limited Monitoring device in safety equipment
DE2827863A1 (de) * 1977-07-04 1979-04-19 Komatsu Mfg Co Ltd Optisches sicherheitssystem

Also Published As

Publication number Publication date
ES495038A0 (es) 1981-12-16
EP0035522A4 (de) 1983-07-08
ATE23920T1 (de) 1986-12-15
ES8201716A1 (es) 1981-12-16
EP0035522A1 (de) 1981-09-16
EP0035522B1 (de) 1986-11-26
WO1981000750A1 (en) 1981-03-19
PH21969A (en) 1988-05-02
BR8008822A (pt) 1981-06-23
DE3071844D1 (en) 1987-01-15

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